Fiberglass Cloth - 4 oz. E-glass

Product image 1Fiberglass Cloth - 4 oz. E-glass
Product image 2Fiberglass Cloth - 4 oz. E-glass

Regular price $ 4.75

Fiberglass Cloth - 4 oz E-glass

Style BGF Aerialite 1522

3.7 oz./yd.² X 30"

E Glass with Plain Weave

4 oz. E fiberglass cloth is the most common cloth used to glass a surfboard. E-glass is easy to wet our with polyester or epoxy resin and laps around the rails easily. If you want the lightest weight surfboard the common layup is 2 layers 4 oz. E cloth on the deck and 1 layer 4 oz. E-glass on the bottom. Surfboards made with all 4 oz. fiberglass cloth are light but not the strongest...

FYI the "E" in E-glass stands for "Electrical Grade" fiberglass as it was initially developed for electrical wire insulation but later was found to exhibit good reinforcement strength when coupled with a plastic resin.

The other main type of fiberglass used in surfboards is S-glass (or S-2 glass) and was developed for military and ballistic applications. S-glass has a much higher tensile strength and modulus than E-glass and is approximately 10% stiffer and 30% stronger.

Available in the following rolls:

  • By the Yard
  • 7 Yard Roll (glass a shortboard up to 6'10")
  • 30 Yard Roll (glass approximately 4 shortboards)
  • 125 Yard Roll

    QUESTIONS & ANSWERS

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    • I was wondering what would be a good glassing schedule for a fish that will be around 5' 10". Strength and weight are equally important to me so I was wondering what would be kind of a happy medium. If there is none what would you suggest. Thank you

      A standard glassing schedule for a fish type surfboard is 4 oz bottom, 4 oz + 6 oz on the deck for an optimal strength to weight ratio. For a 5'10" surfboard you'll need 4 yards of
      4 oz fiberglass and 2 yards of 6 oz fiberglass

      Place the 6 oz cloth on the deck first then the 4 oz to save weight in the hotcoat since 4 oz is a tighter weave and uses less resin.

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